.header_top {
    background-color: white;
    width: 100%;
    height: 30px;
    font-size: 12px;
    color: rgb(100, 98, 100);
    border-bottom: 1px solid rgb(209, 205, 205);
}
.zy_margin {
    margin: 0 auto;
    width: 1210px;
}

.header_top .t {
    position: absolute;
    top: 5px;
    left: -5px;
}
/* tab主要用于one和two的class样式 */
.tab {
    text-decoration: none;
    color: rgb(100, 98, 100);
}
.tab:hover {
    color: rgb(248, 146, 58);
    text-decoration: underline;
}
/* tab1主要用于three的class样式 */


.header_top ul {
    list-style: none;
    line-height: 30px;
  
}

.header_top ul li {
    display: inline-block;
}

.header_top .one {
    line-height: 30px;
    text-align: center;
    width: 85px;
    height: 30px;
    display: inline;
    float: left;
    position: relative;
}

.header_top .fh {
    margin-left: 10px;
    border-right: 1px solid #eee;
}

.header_top .two {
    /* margin-left: 2px; */
    width: 250px;
    height: 30px;
    float: left;
    line-height: 30px;
    position: relative;
}
.three{
    margin: 0 auto;
    width: 1210px;
}
.two_d {
    margin-left: 20px;
}

.two2_d {
    margin-left: 5px;
}

.header_top .t2 {
    position: absolute;
    top: 5px;
    left: 103px;
}

.header_top .fh2 {
    margin-left: 0px;
    border-right: 1px solid #eee;
}

.header_top .three li {
    padding: 0px 7px 0px 10px;
}
.jhd{
    position: relative;
    top: 5px;
}
.t3 {
    position: absolute;
    top: 7px;
}

.header_mid{
    width: 100%;
    height: 85px;
    background-color: white;
}
.zy_margin2{
    margin: 0 auto;
    width: 1210px;
    height: 85px;
    /* background-color: thistle; */
    position: relative;
    text-align: center;
}
.logo{
    position: absolute;
    top: 10px;
    left: 0px;
}
.code{
    position: absolute;
    top: 10px;
    right: 0px;
}
.zy_margin2 span.on{
    margin-top: 35px;
    height: 50px;
    display: inline-block;
    font-size: 28px;
    background-image: url(../img/下标.png);
    background-repeat: no-repeat;
    background-position:bottom center;
    color: rgb(255, 64, 0);
   position: relative;
}

.zy_margin2 span{
    margin: 35px 50px 0px 50px;
    display: inline-block;
    font-size: 24px;
    cursor: pointer;
}
.zy_margin2 span:hover{
    color: rgb(255, 64, 0);
}


.header_base{   
    margin: 0 auto;
    width: 1220px;
    height: 75px;
    
}
/* .nav_base{
    width: 100%;
    position: fixed;
    background-color: white;
} */

.sou{
   
    margin-top: 30px;
    padding-left:50px ;
    width: 1095px;
    height: 50px;
    border: 2px solid rgb(255, 64, 0);
    border-radius: 5px;
    font-size: 16px;  
    font-family: '宋体';
    outline: none;
}
.sou2{
    position: relative;
    top: -64px;
    left: 1015px;
    border: none;
    width: 132px;
    height: 52px;
    background-color:rgb(243, 87, 35) ;
    font-size: 22px;
    color: white;
    font-family: '宋体';
}
.sou2:hover{
    cursor: pointer;
}
.fdj{
    position: relative;
    top: -50px;
    left: 55px;
}
.xj{
    position: relative;
    top: 15px;
    left: 1020px;
}
.sub3{
    display: none;
}
.sub4{
    display: block;
}
